Metadata Files
Metadata files are used to document the result of a CT scan: the projection image data, as well as the reconstructed image data.
1{
2 "file": {
3 "name": "01_full_example",
4 "description": "Tetrahedron in a rigid frame.",
5 "contact": "Jane Doe",
6 "date_created": "2023-09-05",
7 "date_changed": "2023-09-05",
8 "file_type": "CTSimU Metadata",
9 "file_format_version": {"major": 1, "minor": 2}
10 },
11 "output": {
12 "system": "aRTist v2.12.6-0-g30fb1d33, CTSimU Scenario Loader 1.2.3",
13 "date_measured": "2023-09-05",
14 "projections": {
15 "filename": "../projections/corrected/01_full_example_%04d.tif",
16 "number": 21,
17 "frame_average": 3,
18 "max_intensity": 45000.430564932205,
19 "datatype": "uint16",
20 "byteorder": "little",
21 "headersize": {"file": 0, "image": 0},
22 "dimensions": {
23 "x": {"value": 200, "unit": "px"},
24 "y": {"value": 150, "unit": "px"}
25 },
26 "pixelsize": {
27 "x": {"value": 1.3, "unit": "mm"},
28 "y": {"value": 1.3, "unit": "mm"}
29 },
30 "dark_field": {
31 "number": 1,
32 "frame_average": 1,
33 "filename": "../projections/01_full_example_dark.tif",
34 "projections_corrected": true
35 },
36 "flat_field": {
37 "number": 3,
38 "frame_average": 20,
39 "filename": "../projections/01_full_example_flat_%04d.tif",
40 "projections_corrected": true
41 },
42 "bad_pixel_map": {
43 "filename": null,
44 "projections_corrected": false
45 }
46 },
47 "tomogram": {
48 "filename": null,
49 "datatype": "float32",
50 "byteorder": "little",
51 "headersize": {
52 "file": 0,
53 "image": 0
54 },
55 "dimensions": {
56 "x": {"value": 200, "unit": "px"},
57 "y": {"value": 200, "unit": "px"},
58 "z": {"value": 150, "unit": "px"}
59 },
60 "voxelsize": {
61 "x": {"value": 0.893752963236774, "unit": "mm"},
62 "y": {"value": 0.893752963236774, "unit": "mm"},
63 "z": {"value": 0.893752963236774, "unit": "mm"}
64 }
65 }
66 },
67 "acquisition_geometry": {
68 "path_to_CTSimU_JSON": "../01_full_example.json"
69 },
70 "reconstruction": {
71 "software": null,
72 "settings": {}
73 },
74 "simulation": {
75 "full_simulation": true,
76 "compute_detector": true,
77 "compute_xray_source": true,
78 "load_samples": true,
79 "set_multisampling": true,
80 "set_scattering": true,
81 "multisampling": {
82 "source": "30",
83 "detector": "3x3"
84 },
85 "scattering": {
86 "on": false,
87 "image_interval": null,
88 "photons": null
89 },
90 "ctsimu_scenario": {}
91 }
92}